Parking brake faulty Hi all, I have a 2014 C4 Grand Picasso, had an ABS sensor fault due to a broken wire, this has been [more ] By retgar2002 On Sun Mar 07 2021, 07:59am 3 There have been cases here where on closer examination of the sockets and pins, one or the other is loose and causing issues. Fault Code: C1562 00. Description of Fault: Electric parking brake (FSE) actuator sensors: Not characterised. Fault not confirmed on the sensors of the motorised brake calipers. How to fault find the C4 parking sensor system. Citroen C4 and DS4 Online Support with user help forums, FAQ's and Technical guides C4 Picasso 1.6HDI ETG6 2014 1 day ago · C4 Grand Picasso: 2022: Diesel MPV: 2.0 BlueHDi 150: FWD II DA_,DE_ 1997cc 110KW 150HP AHR (DW10FD);AHX (DW10FD) Fitting Position: Rear Axle Left; Vehicle Equipment: for vehicles with electric parking brake Read more Read more compatibility notes Read less Read less compatibility notes: Citroën: C4 Grand Picasso: 2021: Diesel MPV: 2.0 BlueHDi (1) An electrical fault or sensor fault. or (2) Crud on the sensors. With the grot and grime from recent snow and slush I had the car telling me "Brake now!". It eventually turned the sensors off. I wiped the bumpers and all was fine. Finally, the one thing that is really bugging me about this fault is that with this fault the auto park brake does not engage and disengage as it should. However, when I first start the car up if I press the accelerator quick it disengages as normal - almost as if the cars computer brain hasn't had time to remind itself that theirs a fault. uYZEQZ.